| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 161 | Isold | Celtic | The fair. | F | |
| 162 | Isolda | Celtic | The fair. | F | |
| 163 | Isolde | Celtic | The fair. | F | |
| 164 | Jennifer | Celtic | White wave. | F | |
| 165 | Jenny | Celtic | White wave. | F | |
| 166 | Jennyfer | Celtic | White wave. | F | |
| 167 | Jennyver | Celtic | White wave. | F | |
| 168 | Joyce | Celtic | Feminine of Jodoc. | F | |
| 169 | Keelia | Celtic | Slender or comely. | F | |
| 170 | Keelin | Celtic | Slender or comely. | F | |
| 171 | Keely | Celtic | Slender or comely. | F | |
| 172 | Kennocha | Celtic | Lovely. | F | |
| 173 | Lavena | Celtic | Joy. | F | |
| 174 | Lesley | Celtic | From the gray fortress. | F | |
| 175 | Leslie | Celtic | From the gray fortress. | F | |
| 176 | Linette | Celtic | Grace. | F | |
| 177 | Linnette | Celtic | Grace. | F | |
| 178 | Lynet | Celtic | Grace. | F | |
| 179 | Lynette | Celtic | Grace. | F | |
| 180 | Lyonesse | Celtic | Little lion. | F | |